Home / 40,325.28-60,481.10-12,238.61

Finding the Fourth Proportional to 40,325.28, 60,481.10 and 12,238.61

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Solution

The fourth proportional to 40,325.28, 60,481.10 and 12,238.61 is: 18,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.28 : 60,481.10 = 12,238.61 : x
  2. Step 2: Convert to fraction form
    40,325.28/60,481.10 = 12,238.61/x
  3. Step 3: Cross multiply
    40,325.28x = 60,481.10 × 12,238.61
  4. Step 4: Simplify right side
    40,325.28x = 740,204,231.67
  5. Step 5: Solve for x
    x = 740,204,231.67/40,325.28
  6. Step 6: Final answer
    x = 18,355.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.